Area of Basic Shapes and Scaling

A rectangle has a perimeter of 15 inches. The image is created with a scale factor of 2. What is the new perimeter?

• 120
• 7.5
• 30
• 15

Tags

TEKS.MATH.7.5C

If 1 foot = 3 inches, what would be the perimeter of this rectangle in inches?

• 27in

• 42in

• 162in

• 1620in

Tags

TEKS.MATH.1.7C

Find the perimeter if the figure has been enlarged by a scale factor of 2.

• 108in

• 720in

• 54in

• 27in

Tags

TEKS.MATH.7.5C

Find the area if the figure has been enlarged by a scale factor of 3.

• 162in²

• 1620in²

• 540in²

• 180in²

Tags

TEKS.MATH.7.5C

What is the area of the rectangle if it is enlarged by a scale factor of 5?

• 1200 ft.²

• 1200 ft.

• 140 ft.²

• 4800 ft.²

Tags

TEKS.MATH.7.5C

What is the perimeter of the rectangle if it is reduced by a scale factor of 1/2?

• 12 ft.

• 14 ft.

• 14 ft.²

• 48 ft.²

Tags

TEKS.MATH.7.5C

What is the perimeter of this figure if it is enlarged by a scale factor of 7?

• 85 in.

• 82 in.

• 84 in.²

• 84 in.

Tags

TEKS.MATH.7.5C

What is the perimeter of this triangle if it is enlarged by a scale factor of 12?

• 216 in.

• 72 in.

• 264 in.

• 220 in.

Tags

TEKS.MATH.7.5C

What is the scale factor if the triangle on the left is the original?

• 2
• 3/2
• 2/3
• 1/2

Tags

TEKS.MATH.7.5C

• 0.25
• 0.5
• 2
• 1/2

Tags

TEKS.MATH.7.5C